Ventilatiiig railboad-caks



- @REED AND B, KMoULDjoF CHICAGO, irLiNois. y

, `vnlvmrnn'rllve RAILROAD-GARS.

. `Specification of Letterslatent No. 11,494-, dated August 8,1854,`

T all 'whom t may concern.'

\ Be itknown that` we, CHEENEYSREED and BROOKS K. MOULD, `both of Chicago, Illinois,

have invented certain new and "useful Im` provements in the Apparatus forVentilat-` ing Railroad-Cars and Intercepting the Dust, of which `thefollowing is a full, clear,

vio

and exact description, referencebeing` had to the accompanying drawings, making part of this specification, in which-` l 1 i Figure 1, is a planof theapparatus; Fig. 2, an end elevationfapplied `to a `rail road car; Fig. `3, a horizontal*sectionof` taken at the line A,`a, of Fig.` l.

the apparatus;` Fig: 4, a 'vertical section The same lettersvind'cate `like parts y all the figures.

`The object of our invention is to force a current or currents'of air into each car, through the bottom thereof, lby means of the motionoflthe"car,"and` separating the dust and other` impuritiesfrom" the air be-` fore itenters the cara Our 1 invention conslsts in the employment of a double funnel` shaped spouttoicatch" and concentrate a currentl of air,` as `the `car 1s 1n -mot1on, `and conducting it through tothe insidefofthe car', when this is combined with" af self acting" valve inter'- posed,1 to `open the front `funneland close the rear one whenfthe car is moving in one l direction, `and vice versa whenlthe carl isI started inlthe opposite direction.` :And our` invention also consistsiincombining with a spout, or lspouts, `for receiving andconductinglair to `thelinside of a rail roadfcar,"an apparatus which zwe denominate" the dust intercepter, which consists of a rotating or i moving cylinder, lor a series 4ofcylinders,"

or` other form, one within the other, `with apertures for the passageofair, the inner` surface of such cylinderor cylinders, or any" equivalent therefor,-being keptfin a moist state bypassing in water, by means of which the particles of dust, impinging on the said moistenedsurfaces, will be intercepted and retained, while the cleansed air will pass through theapertures to the inside of the car for theventilation thereof. i

The mode of construction which we have tried with success is as follows-viz:

In the accompanying drawings,` a, represents a `short pipe with two funnel shaped parts f,y f, at each end. `|This is so placed and attached to the bottom or any otherpart of the car thatone spout will be toward each lbe seen that when a car is moving in the `direction ofthe arrow the force of the`cur- Irent of air entering sthespout on that side,

`will force and keep the valve in the position represented in the drawings and thusshut the passage to the other spout, and direct the current into the branch pipe. And when the car moves in ther opposite direction `the valve willbe reversed. h

The branch pipecLis embraced by a large tubular `journal g,on one head h of a hollow cylinder 2', the other head j of which has a short shaft fc, that carries a cogwheel Z, engaged by a pinionm,`on the short arbor of a driving pulleywato receive motion by a band lfrom one of the axles of the car.

with narrow `openings between them "eX- tending from end to end, or `it` may be formed by cutting aperturesthrOugha sheetiromwood, or other `hollow cylinder.

laycasing p, to be attached to the bottom of acar, and provided with an aperture g, (or apertures)` in the top, communicating` with a corresponding apertureinthebottom of the ear. l

From the when a car is in motion, a currentof` air will enter the front spout, which, `by .its funnel or trumpet shape, will concentrate `the current that the force of the current will forceback the valve to close the other spout and direct the current tothe branch pipe,lthence into as the cylinder revolves in water contained slats will be kept in a moist state, so. that the current of air impingmg `on the inner end'of the car. At `one side this pipe a,

opposite the branchpipe. "From this it will This cylinder i, is formed of a series of slots Andwithinithis cylinder ofisla'tsare ar-` `ingwatengandthe whole is surrounded` by foregoing itv will `beiiseen` thatI `the cylinder, and through` the apertures in its peripheryto the inside of the car; but

in the vessel` below, the several series of surface of the inner series of slats will de-` dust. As .the .cylinder rotates, the :slatsfin succession fpass through the water, by which the accumulated dust .-is washed vvoff, and lIa fresh supply-of waterftakenupfby capillary attraction to I catch moredust. v lIihe @rotation i of this cylinder will aid the "force .of the, current by .centrifugal rforce. .As acurrenh of fresh air-separated from 'the .dus'tfis forced into 1'the car, the I,pressure insidewill be A.greater .than outside, and :hence the tendency .of .the currents :will be outward through all" thefalperturesat the doors Iand windows which will effectually prevent theentrance n of .dust.

"Wedo not wish tolimitourselves tothe. special-arrangement 'herein specified, .butI claimthe .rightof modification, so long'as. the fsame result isobtained -by substantially,V the same.means,-or by the 4mere substitutiom of-.equivalents We .have contemplated, for, instance, .placing .one .trumpet mouthed spout fat eachxen'd of the case surrounding the cylinder for cleansing the dust,and .in ai 'line Iwith the `axis Aof rotation, each beingmade to v.communicate `with its appropriate,

' g end of the cylinder by Aa hollow j'ournal. `Andinstead .of .havin-g( a? flap or wing valve,

adisk'valvemay be substituted and adapted; toslide on fa .central-shaft, so .that ywhenthe.. currentof air enters/.at one end it will :forcel backtheidisk 'valveito theother end, ttoy close the outlet at :the other lend, i and A comp el f the current Lto Spass through vthe :slots or aper tures in the :'-periphery of the cylinder and thence `to 'the car. And instead of making. the A-dust 'intercepter in the .form -of a cylini 4der, with .longitudinal slots, :it may 'be ymade y in any "other form, which 'will admit ofpassing through water to keep the surface eXposed'to .theair Wet, .fand-to 'wash off .the accumulated dust, A'whether oneor more such;

- perforated surfaces be employed, 'althougha. seriesofsuchsurfaces will produce a better Ieffect..

We are-aware that lit has 'been f essayed to ventilaterail road carsfby'meansofan-apparatus zplaced above -theicar and provided with :a 'trumpet`mouth, rorfsp'out atseach end leading to La reservoir -'-`eornmunicating 'with the `inside of the car and provided with a' xflap valve to form Athe 'communication between either one of the spouts and the inside-'dffthefcan and to close the aperture to the other, and vice versa and we are also awarethat such 1an apparatus has been provided with vessels containing water and Awith series of fixed partitions consisting of slats :covered with sponge vor Yother subrstance partlyimmersed in iwater, that they maybe 1kept in a moistfsta'teby capillaryiat- 'traction 'with ..the view to intercept dust and permit :thecleansed air-to jpassthrough to the inside -of -Athe .car-:and `we Aare also l aware that itihas `Vbeen attempted to 'separate sparks :and other impurities :from the :smoke of locomotive engine .chimneys .fby .means olf .rotating v.fans which .draw vthe smoke from the smoke bo'X .and :force '.it into a chamber or chambers'containingfa 'wheel or wheels rotated by fthe force of .-such xcurrent land partly immersed .inwater to cause the :smoke to pass 4through :the 'water 'onfits way to fthe escape chimney to separate thesparks there- Ifrom-Y-and 'therefore we wish `it :to .be -unfderstoodv that we claim .none of these de vices fas ,of our invention, las none of them .f accomplish the .purpose of our invention.

What lWe do claim .as -our invention anddesire to secure by Letters Patent, is-

The -method,substantially, as :herein 'dei scribed,zof `.ventilatingrail '.roadcarsbycombinmg with l a l ivessel. or apparatus which reiceives a 4current o'ffair through arspoutor fspouts by the `moticnofnthe train, or any iequivalent ftherefor, and discharges 'fit' .into l the ycar, rsubstanti'ally as specified, ay 4:hollow 'rotatin'g -1 cylinder` composed fof one :or =more series rofkslats lor other open `work :or the (equivalent therefor, and :partly immersed aandrotating; .in water, substantially as specifiedfso'thatzaslthe airipassesthrough the said cylinder, Ior its equifvalent .on its 'way to 1 the uns-ide of ithecan-:the dust shall be separated ltherefrom, 'by\ impinging on the moistened surfaces, -while th-e rotation of :the Vsaid cylunder in :water has the -elfect to VWash f oft. they accumulated dust and .to keep the surfaces [presented the passage `of -the air con- :stantly ina moistenedstateysubstantially as p specified.

C. lB11313111 A v B. LMOUUD.

Witnesses.: i

R. B. EVEBETT, .Benin CURRI'ER.

ist 

